The speed of a sound wave varies as it travels through different substances. which factor will most affect the speed of a sound wave? a. the wavelength of the wave b. the source that created the sound c. the distance between molecules in the medium d. the frequency of the wave

Why are people more likely to marry individuals with social and cultural backgrounds very similar to their own? a. parents and other family members always exert pressure to marry within the group. b. people spend a great deal of time alone, and therefore can have few opportunities for meeting people. c. people develop irrational fears of out-group members and are scared to date them. d. people have greater access to individuals like themselves.

Anode is a point on a wave where there is no vibration. a.true b.false

The ability to accurately gauge the distance of the coffee cup on your desk as you reach for it is called: